<?php  // $Id: upload.php,v 1.26 2006/08/08 22:09:56 skodak Exp $

	require_once("../../config.php");
	require_once("lib.php");

	$id = optional_param('id', 0, PARAM_INT);  // Course module ID
	$a  = optional_param('a', 0, PARAM_INT);   // Assignment ID

	if ($id) {
		if (! $cm = get_coursemodule_from_id('assignment', $id)) {
			error("Course Module ID was incorrect");
		}

		if (! $assignment = get_record("assignment", "id", $cm->instance)) {
			error("assignment ID was incorrect");
		}

		if (! $course = get_record("course", "id", $assignment->course)) {
			error("Course is misconfigured");
		}
	} else {
		if (!$assignment = get_record("assignment", "id", $a)) {
			error("Course module is incorrect");
		}
		if (! $course = get_record("course", "id", $assignment->course)) {
			error("Course is misconfigured");
		}
		if (! $cm = get_coursemodule_from_instance("assignment", $assignment->id, $course->id)) {
			error("Course Module ID was incorrect");
		}
	}

	require_login($course->id, false, $cm);

/// Load up the required assignment code
	require($CFG->dirroot.'/mod/assignment/type/'.$assignment->assignmenttype.'/assignment.class.php');
	$assignmentclass = 'assignment_'.$assignment->assignmenttype;
	$assignmentinstance = new $assignmentclass($cm->id, $assignment, $cm, $course);

	$assignmentinstance->upload();   // Upload files

?>
